Purification of effluent

Details Purification of effluent Purification of effluent

1974-06-07

1976-03-23

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 17, C02C 108

Patent

active

039459160

ABSTRACT:
An improved process for the purification of effluent is disclosed in which oxygenated effluent is introduced into a treatment zone in which a part of the total amount of biologically activated sludge used in the process is fixed on immersed bacterial beds or discs which are mobile and a further part of said sludge is in suspension in effluent undergoing treatment.

REFERENCES:
patent: 2638444 (1953-05-01), Kappe
patent: 3149071 (1964-09-01), Burgoon et al.
patent: 3182801 (1965-05-01), Griffith
patent: 3439807 (1969-04-01), Danjes
patent: 3468795 (1969-09-01), Bye-Jorgensen et al.
patent: 3547811 (1970-12-01), McWhirter
patent: 3703462 (1972-11-01), Smith
patent: 3704783 (1972-12-01), Antonie
patent: 3732160 (1973-05-01), Klock
patent: 3773660 (1973-11-01), Hopwood
patent: 3779906 (1973-12-01), Levin
patent: 3817857 (1974-06-01), Torpey

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